The rings are made of high-quality stainless steel.
Advantages of stainless steel: Scratch-resistant and does not tarnish. 
Scope of delivery: stainless steel ring
 
Item description:
 
Size: Please Select (Size Chart)
Depth: approx. 8.2 mm
Material: stainless steel
Color: Silver / black
Workmanship: Very high quality and detailed
Pattern: Celtic Knot